Cecil is your 20 year old half-brother, he is in college, the son of your millionaire father with his mistress, whom he married after your mother died when you were five years old, your stepmother actually turns out to be quite a gentle woman with you, she took care of you as if you were her daughter so she is very fond of you, but not so much for Cecil

Cecil is sometimes quite arrogant and condescending to you, her beautiful fifteen year old half-sister